AMD Radeon HD 8550G + HD 8750M Dual Graphics vs AMD Radeon HD 8770M

AMD Radeon HD 8550G + HD 8750M Dual Graphics

► remove AMD Radeon HD 8550G + HD 8750M Dual Graphics

The AMD Radeon HD 8550G + HD 8750M Dual Graphics is the combination of a integrated AMD Radeon HD 8550G APU processor graphics card and a dedicated AMD Radeon HD 8750M graphics card in CrossFire combination. It is called AMD Dual Graphics or asymmetric CrossFire and uses AFR (Alternate Frame Rendering) to render different frames on the two graphic cores. Therefore the combination also suffers from micro stuttering (different spaces between two images lead to stuttering altough the framerate is high enough for fluent gaming with only one GPU).

The performance of the Dual Graphics solution depends greatly on the driver support for the used games. In some games the performance may even degrade slightly compared to using only the dedicated graphics card. Only in best case scenarios the performance of a GT 740M is possible. Therefore, due to the micro stuttering and performance problems, Dual Graphics may impose more problems than bring performance gains. Nevertheless, even demanding games like Battlefield 4 can be played fluently in low or medium settings.

The features like PureVideo HD (UVD3) or OpenCL support are similar to the two graphics cards.

As both graphics cards are rendering frames, the power consumption is clearly higher than using only one GPU. Only notebooks 15 inches in size and above will handle the heat.

AMD Radeon HD 8770M

► remove AMD Radeon HD 8770M

The AMD Radeon HD 8770M (sometimes known as the ATI Mobility Radeon HD 8770) is a DirectX 11.1 graphics card for laptops. It is based on the Mars chip (28nm GCN architecture) with 384 shader cores, 24 TMUs, and 8 ROPs. The core is clocked at 775 MHz (or up to 825 MHz with Boost) with GDDR5 VRAM at 1125 MHz (4500 MHz effective).

The performance of the Radeon HD 8770M is in range of the GeForce GT 730M. Current and demanding games like Far Cry 3 will run fluently in medium resolutions and detail settings (as of 2013).

The 384 shaders can be used with OpenCL 1.2 for general-purpose calculations (as 6 compute units). Compared to old TeraScale 2 chips, the GCN-based Mars architecture offers improved performance in this framework.

Features of the 8770M include video decoding via UVD3 for decoding MPEG-4 AVC/H.264, VC-1, MPEG-2, and Flash directly from the AMD GPU. Multi-View Codec (MVC) and MPEG-4 part 2 (DivX, xVid) HD videos are now compatible as well.

The 8700M series also supports automatic graphics switching between the integrated GPU and discrete GPU. Called Enduro, the technology supersedes AMD's Dynamic Switchable Graphics and is similar to Nvidia's Optimus. Furthermore, the 8770M can directly support up to 2 connected monitors using Eyefinity Technology if Enduro is disabled.

Other features of the 8700M series include ZeroCore for reducing power consumption when the display is turned off and Power Gating to power down areas of the chip that are not used. PowerTune allows automatic overclocking and underclocking of the graphics card as long as the GPU is within its TDP limit. For example, the chip may be underclocked when running FurMark and OCCT, but will overclock in certain games like Lost Planet, Crysis or Resident Evil 5.

The integrated HD audio processor is able to transmit HD Audio (TrueHD or DTS Master Audio) over HDMI and DisplayPort (e.g., for Blu-Ray videos). Additionally, it now allows audio to output simultaneously and in parallel to multiple devices with the new Discrete Digital Multipoint Audio (DDMA) feature.

The power consumption should be similar to the old HD 7670M. As a result, the 8770M is best suited for 13-inch notebooks or larger.

AMD Radeon HD 8550G + HD 8750M Dual GraphicsAMD Radeon HD 8770M
ManufacturerAMDAMD
Radeon HD 8700M Series
Radeon HD 8790M (compare) 384 @ 850 MHz128 Bit @ 4500 MHz
Radeon HD 8770M 384 @ 775 MHz128 Bit @ 4500 MHz
Radeon HD 8550G + HD 8750M Dual Graphics 640 @ 720 / 825 MHz128 Bit @ 1800 MHz
Radeon HD 8750M (compare) 384 @ 620 - 775 (Boost) MHz128 Bit @ 2000 - 4000 MHz
Radeon HD 8730M (compare) 384 @ 650 MHz128 Bit @ 2000 MHz
Radeon HD 8790M (compare) 384 @ 850 MHz128 Bit @ 4500 MHz
Radeon HD 8770M 384 @ 775 MHz128 Bit @ 4500 MHz
Radeon HD 8550G + HD 8750M Dual Graphics 640 @ 720 / 825 MHz128 Bit @ 1800 MHz
Radeon HD 8750M (compare) 384 @ 620 - 775 (Boost) MHz128 Bit @ 2000 - 4000 MHz
Radeon HD 8730M (compare) 384 @ 650 MHz128 Bit @ 2000 MHz
640 - 384 -
Core720 / 825 MHz775 MHz
Memory1800 MHz4500 MHz
Bus128 Bit128 Bit
MemoryDDR3GDDR5
nono
DirectXDirectX 11, 5.0DirectX 11.1, 5.0
Technology32 / 28 nm28 nm
Size
Introduced01.08.2013 16.11.2012
ArchitectureGCN
Max. Memory2048 MB
Transistors900 Million

3DMark - Cloud Gate Standard Score 1280x720
4965 Points (9%)
3DMark - Cloud Gate Standard Graphics 1280x720
10355 Points (6%)
3DMark - Fire Strike Score 1920x1080
722 Points (3%)
3DMark - Fire Strike Graphics 1920x1080
1303 Points (3%)
3DMark - Ice Storm Standard Graphics 1280x720
63283 Points (8%)
3DMark 11 - Performance 1280x720
2119 points (7%)
2206 points (7%)
3DMark 11 - Performance GPU 1280x720
2353 points (5%)
1934 points (4%)
3DMark Vantage
P Result 1280x1024 + AMD Radeon HD 8550G + HD 8750M Dual Graphics
P Result 1280x1024 + AMD Radeon HD 8770M
P GPU no PhysX 1280x1024 + AMD Radeon HD 8550G + HD 8750M Dual Graphics
P GPU no PhysX 1280x1024 + AMD Radeon HD 8770M
3DMark 05 - Standard 1024x768
20968 Points (45%)
3DMark 06 Standard 1280x1024 + AMD Radeon HD 8550G + HD 8750M Dual Graphics
Standard 1280x1024 + AMD Radeon HD 8770M
Unigine Heaven 2.1 - high, Tesselation (normal), DirectX11 1280x1024
26 fps (12%)
Cinebench R10 Shading 32Bit + AMD Radeon HD 8550G + HD 8750M Dual Graphics
Shading 32Bit + AMD Radeon HD 8770M
Cinebench R11.5 OpenGL 64Bit + AMD Radeon HD 8550G + HD 8750M Dual Graphics
OpenGL 64Bit + AMD Radeon HD 8770M
LuxMark v2.0 64Bit - Room GPUs-only
194 Samples/s (4%)
LuxMark v2.0 64Bit - Sala GPUs-only
411 Samples/s (4%)
ComputeMark v2.1 - Normal, Score 1024x600
1263 Points (5%)

Average Benchmarks AMD Radeon HD 8550G + HD 8750M Dual Graphics → 100%

Average Benchmarks AMD Radeon HD 8770M → 122%

-
-
* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation

low 1024x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
50.3  fps
med. 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
39.1  fps
high 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
26.1  fps
Radeon HD 8550G + HD 8750M Dual Graphics:
»
F1 2013

F1 2013

2013
low 1024x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
54  fps
med. 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
39  fps
high 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
36  fps
Radeon HD 8550G + HD 8750M Dual Graphics:
»
low 1024x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
34.7  fps
med. 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
27.7  fps
high 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
23.8  fps
Radeon HD 8550G + HD 8750M Dual Graphics:
»
low 1280x720
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
25.4  fps
med. 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
19.5  fps
high 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
15.1  fps
Radeon HD 8550G + HD 8750M Dual Graphics:
»
low 1024x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
46.4  fps
med. 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
29.1  fps
high 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
20.3  fps
Radeon HD 8550G + HD 8750M Dual Graphics:
»
low 1024x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
31.7  fps
med. 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
22.3  fps
high 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
17.7  fps
Radeon HD 8550G + HD 8750M Dual Graphics:
»
low 1024x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
21.8  fps
med. 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
20.1  fps
high 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
13.9  fps
Radeon HD 8550G + HD 8750M Dual Graphics:
»
GRID 2

GRID 2

2013
low 1024x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
69.4  fps
med. 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
42.4  fps
high 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
36.6  fps
Radeon HD 8550G + HD 8750M Dual Graphics:
»
low 1024x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
24.1  fps
med. 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
22.1  fps
Radeon HD 8550G + HD 8750M Dual Graphics:
»
low 1280x720
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
66.8  fps
med. 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
40.3  fps
high 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
33.3  fps
Radeon HD 8550G + HD 8750M Dual Graphics:
»
low 1024x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
136.7 136.7 ~ 137 fps
med. 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
63.8 63.8 ~ 64 fps
high 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
45 45 ~ 45 fps
Radeon HD 8550G + HD 8750M Dual Graphics:
»
low 1024x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
72.4  fps
med. 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
54.7  fps
high 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
36.6  fps
Radeon HD 8550G + HD 8750M Dual Graphics:
»
med. 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
53.5  fps
high 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
42.2  fps
Radeon HD 8550G + HD 8750M Dual Graphics:
»
low 1024x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
20.5  fps
med. 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
19.5  fps
Radeon HD 8550G + HD 8750M Dual Graphics:
»
med. 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
49.1  fps
high 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
29.2  fps
Radeon HD 8550G + HD 8750M Dual Graphics:
»
low 1024x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
41  fps
med. 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
31.7  fps
Radeon HD 8550G + HD 8750M Dual Graphics:
»
med. 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
51.1  fps
high 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
46  fps
Radeon HD 8550G + HD 8750M Dual Graphics:
»
Fifa 13

Fifa 13

2012
low 1024x768
Radeon HD 8770M:
305.5  fps
med. 1366x768
Radeon HD 8770M:
185.7  fps
high 1366x768
Radeon HD 8770M:
164.6  fps
ultra 1920x1080
Radeon HD 8770M:
92.5  fps
Radeon HD 8770M:
»
low 1024x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
30.2  fps
med. 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
28.9  fps
Radeon HD 8550G + HD 8750M Dual Graphics:
»
low 1024x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
102.7  fps
med. 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
70.4  fps
high 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
56.9  fps
Radeon HD 8550G + HD 8750M Dual Graphics:
»
Anno 2070

Anno 2070

2011
low 1024x768
Radeon HD 8770M:
60.2  fps
med. 1366x768
Radeon HD 8770M:
49.7  fps
high 1366x768
Radeon HD 8770M:
35.6  fps
ultra 1920x1080
Radeon HD 8770M:
15.7  fps
Radeon HD 8770M:
»
med. 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
36.7  fps
high 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
28  fps
Radeon HD 8550G + HD 8750M Dual Graphics:
»
low 1024x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
27.5  fps
med. 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
20.9  fps
Radeon HD 8550G + HD 8750M Dual Graphics:
»
high 1366x768
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
53.6  fps
Radeon HD 8550G + HD 8750M Dual Graphics:
»
Total War: Shogun 2

Total War: Shogun 2

2011
med. 1280x720
100%
Radeon HD 8550G + HD 8750M Dual Graphics:
34.1  fps
Radeon HD 8550G + HD 8750M Dual Graphics:
»

Average Gaming AMD Radeon HD 8550G + HD 8750M Dual Graphics → 100%

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Redaktion, 2017-09- 8 (Update: 2017-09-11)